31465700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 79161600

約数和(自身を除く): 47695900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 140, 158, 175, 316, 350, 395, 553, 569, 700, 790, 1106, 1138, 1580, 1975, 2212, 2276, 2765, 2845, 3950, 3983, 5530, 5690, 7900, 7966, 11060, 11380, 13825, 14225, 15932, 19915, 27650, 28450, 39830, 44951, 55300, 56900, 79660, 89902, 99575, 179804, 199150, 224755, 314657, 398300, 449510, 629314, 899020, 1123775, 1258628, 1573285, 2247550, 3146570, 4495100, 6293140, 7866425, 15732850, 31465700]

約数ペア:

[(1, 31465700), (2, 15732850), (4, 7866425), (5, 6293140), (7, 4495100), (10, 3146570), (14, 2247550), (20, 1573285), (25, 1258628), (28, 1123775), (35, 899020), (50, 629314), (70, 449510), (79, 398300), (100, 314657), (140, 224755), (158, 199150), (175, 179804), (316, 99575), (350, 89902), (395, 79660), (553, 56900), (569, 55300), (700, 44951), (790, 39830), (1106, 28450), (1138, 27650), (1580, 19915), (1975, 15932), (2212, 14225), (2276, 13825), (2765, 11380), (2845, 11060), (3950, 7966), (3983, 7900), (5530, 5690)]